From patchwork Fri Jan 3 14:42:28 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 13925637 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CCE5DE77188 for ; Fri, 3 Jan 2025 14:44:35 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tTitL-0002SN-3Z; Fri, 03 Jan 2025 09:43:11 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tTitJ-0002Rc-10 for qemu-devel@nongnu.org; Fri, 03 Jan 2025 09:43:09 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tTitD-0007FA-5c for qemu-devel@nongnu.org; Fri, 03 Jan 2025 09:43:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1735915382; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/+e+kTxhD8RnkNKf7KBptdQDPJMksNIHWemz5ZQPZco=; b=KPYwqmmzGHfe18dXR3NwzlyggoLO849vp8wgZ+nQ7l3rq88RyXbgRu3iHmFYDHFLCf1wTE OnEq+rjzS7YegPoyXg6BdxOsfaqeDFJ1iQXfHCLjc+Lhpklm+SwU38sV901Di9X+i/IXFm ZTvwiOrgyrKVLJfyOskQ+0B+ePi3bx0= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-343-6MPFr2UHPqakSDESJbauTQ-1; Fri, 03 Jan 2025 09:42:59 -0500 X-MC-Unique: 6MPFr2UHPqakSDESJbauTQ-1 X-Mimecast-MFC-AGG-ID: 6MPFr2UHPqakSDESJbauTQ Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 290C0195608A; Fri, 3 Jan 2025 14:42:58 +0000 (UTC) Received: from thuth-p1g4.redhat.com (unknown [10.39.192.148]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 776E3300F9B5; Fri, 3 Jan 2025 14:42:55 +0000 (UTC) From: Thomas Huth To: qemu-s390x@nongnu.org, Christian Borntraeger , David Hildenbrand Cc: qemu-devel@nongnu.org, Eric Farman , Cornelia Huck , Halil Pasic Subject: [PATCH 06/10] hw/s390x/css-bridge: Remove the "css_dev_path" property Date: Fri, 3 Jan 2025 15:42:28 +0100 Message-ID: <20250103144232.520383-7-thuth@redhat.com> In-Reply-To: <20250103144232.520383-1-thuth@redhat.com> References: <20250103144232.520383-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass client-ip=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.186, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Now that the s390-ccw-virtio-2.6 and older machine types have been removed, the "css_dev_path" property of the css-bridge is also not used anymore and thus can be removed. This way we finally get rid of the problem that has been described in: https://gitlab.com/qemu-project/qemu/-/issues/2213 Signed-off-by: Thomas Huth Reviewed-by: Philippe Mathieu-Daudé Tested-by: Philippe Mathieu-Daudé Reviewed-by: Cornelia Huck --- include/hw/s390x/css-bridge.h | 1 - hw/s390x/css-bridge.c | 16 +--------------- 2 files changed, 1 insertion(+), 16 deletions(-) diff --git a/include/hw/s390x/css-bridge.h b/include/hw/s390x/css-bridge.h index deb606d71f..4f874ed781 100644 --- a/include/hw/s390x/css-bridge.h +++ b/include/hw/s390x/css-bridge.h @@ -19,7 +19,6 @@ /* virtual css bridge */ struct VirtualCssBridge { SysBusDevice sysbus_dev; - bool css_dev_path; }; #define TYPE_VIRTUAL_CSS_BRIDGE "virtual-css-bridge" diff --git a/hw/s390x/css-bridge.c b/hw/s390x/css-bridge.c index 04ab1f6402..c48d5571b5 100644 --- a/hw/s390x/css-bridge.c +++ b/hw/s390x/css-bridge.c @@ -66,16 +66,8 @@ static char *virtual_css_bus_get_dev_path(DeviceState *dev) { CcwDevice *ccw_dev = CCW_DEVICE(dev); SubchDev *sch = ccw_dev->sch; - VirtualCssBridge *bridge = - VIRTUAL_CSS_BRIDGE(qdev_get_parent_bus(dev)->parent); - /* - * We can't provide a dev path for backward compatibility on - * older machines, as it is visible in the migration stream. - */ - return bridge->css_dev_path ? - g_strdup_printf("/%02x.%1x.%04x", sch->cssid, sch->ssid, sch->devno) : - NULL; + return g_strdup_printf("/%02x.%1x.%04x", sch->cssid, sch->ssid, sch->devno); } static void virtual_css_bus_class_init(ObjectClass *klass, void *data) @@ -120,11 +112,6 @@ VirtualCssBus *virtual_css_bus_init(void) /***************** Virtual-css Bus Bridge Device ********************/ -static const Property virtual_css_bridge_properties[] = { - DEFINE_PROP_BOOL("css_dev_path", VirtualCssBridge, css_dev_path, - true), -}; - static bool prop_get_true(Object *obj, Error **errp) { return true; @@ -137,7 +124,6 @@ static void virtual_css_bridge_class_init(ObjectClass *klass, void *data) hc->unplug = ccw_device_unplug; set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); - device_class_set_props(dc, virtual_css_bridge_properties); object_class_property_add_bool(klass, "cssid-unrestricted", prop_get_true, NULL); object_class_property_set_description(klass, "cssid-unrestricted",